[iGoogle Developer Forum] Store Locator

[Ofir Attia]

Hi,
in the tutorial of Store Locator using PHP and SQL, if the xmlgen not
working because of the version of the PHP there is anoter script of
generating the xml, but the problem is that isnt with the radius
counter and on the map it doesnt show the distance from the markers.
you can tell me what i need to do?

the sample code is :



<?php
header("Content-type: text/xml");
require("phpsqlsearch_dbinfo.php");

function parseToXML($htmlStr)
{
$xmlStr=str_replace('<','&lt;',$htmlStr);
$xmlStr=str_replace('>','&gt;',$xmlStr);
$xmlStr=str_replace('"','&quot;',$xmlStr);
$xmlStr=str_replace("'",'&#39;',$xmlStr);
$xmlStr=str_replace("&",'&amp;',$xmlStr);
return $xmlStr;
}

// Get parameters from URL
$center_lat = $_GET["lat"];
$center_lng = $_GET["lng"];
$radius = $_GET["radius"];

// Opens a connection to a MySQL server
$connection=mysql_connect (localhost, $username, $password);
if (!$connection) {
  die('Not connected : ' . mysql_error());
}

// Set the active MySQL database
$db_selected = mysql_select_db($database, $connection);
if (!$db_selected) {
  die ('Can\'t use db : ' . mysql_error());
}

// Select all the rows in the markers table
$query = sprintf("SELECT address, name, lat, lng, ( 3959 *
acos( cos( radians('%s') ) * cos( radians( lat ) ) *
cos( radians( lng ) - radians('%s') ) + sin( radians('%s') ) *
sin( radians( lat ) ) ) ) AS distance FROM markers HAVING distance <
'%s' ORDER BY distance LIMIT 0 , 20",
  mysql_real_escape_string($center_lat),
  mysql_real_escape_string($center_lng),
  mysql_real_escape_string($center_lat),
  mysql_real_escape_string($radius));

$result = mysql_query($query);
if (!$result) {
  die('Invalid query: ' . mysql_error());
}

// Start XML file, echo parent node
echo "<markers>\n";
// Iterate through the rows, printing XML nodes for each
while ($row = @mysql_fetch_assoc($result)){
  // ADD TO XML DOCUMENT NODE
  echo '<marker ';
  echo 'name="' . parseToXML($row['name']) . '" ';
  echo 'address="' . parseToXML($row['address']) . '" ';
  echo 'lat="' . $row['lat'] . '" ';
  echo 'lng="' . $row['lng'] . '" ';
  echo 'distance="' . $row['distance'] . '" ';
  echo "/>\n";
}

// End XML file
echo "</markers>\n";

?>

thanks anyway.

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